:root {
  /* Canonical source palette: openclaw.ai at b94b43b. */
  --oc-palette-ink-950: #101012;
  --oc-palette-ink-900: #19191c;
  --oc-palette-ink-850: #202024;
  --oc-palette-ink-50: #ededed;
  --oc-palette-ink-300: #bcbcc4;
  --oc-palette-ink-500: #9a9aa2;

  --oc-palette-paper-50: #ffffff;
  --oc-palette-paper-100: #f6f5f3;
  --oc-palette-paper-200: #eceae6;
  --oc-palette-paper-950: #17171a;
  --oc-palette-paper-700: #46464e;
  --oc-palette-paper-600: #63636c;

  --oc-palette-coral-dark-bright: #f5654a;
  --oc-palette-coral-dark-mid: #e05540;
  --oc-palette-coral-dark-deep: #b23a28;
  --oc-palette-coral-light-bright: #d84a31;
  --oc-palette-coral-light-mid: #c24028;
  --oc-palette-coral-light-deep: #9c3222;

  --oc-palette-sea-dark-bright: #4fc8ae;
  --oc-palette-sea-dark-mid: #2fa48d;
  --oc-palette-sea-light-bright: #14806e;
  --oc-palette-sea-light-mid: #0f6355;

  --oc-space-1: 0.25rem;
  --oc-space-2: 0.5rem;
  --oc-space-3: 0.75rem;
  --oc-space-4: 1rem;
  --oc-space-5: 1.5rem;
  --oc-space-6: 2rem;
  --oc-space-7: 3rem;
  --oc-space-8: 4rem;

  --oc-font-size-xs: 0.75rem;
  --oc-font-size-sm: 0.8125rem;
  --oc-font-size-base: 0.875rem;
  --oc-font-size-md: 0.9375rem;
  --oc-font-size-lg: 1.0625rem;
  --oc-font-size-xl: 1.25rem;
  --oc-font-size-2xl: 1.5rem;
  --oc-font-size-3xl: 2rem;

  --oc-radius-sm: 0.25rem;
  --oc-radius-md: 0.5rem;
  --oc-radius-lg: 0.75rem;
  --oc-radius-xl: 1rem;
  --oc-radius-full: 999px;
  --oc-radius-surface: var(--oc-radius-md);
  --oc-radius-control: var(--oc-radius-md);
  --oc-radius-inset: var(--oc-radius-sm);
  --oc-radius-round: var(--oc-radius-full);

  --oc-shadow-sm: 0 1px 2px rgb(0 0 0 / 0.12);
  --oc-shadow-md: 0 8px 24px -6px rgb(0 0 0 / 0.28);
  --oc-shadow-lg: 0 24px 48px -12px rgb(0 0 0 / 0.42);

  --oc-layer-popover: 20;
  --oc-layer-notification: 100;

  --oc-duration-fast: 160ms;
  --oc-duration-ui: 200ms;
  --oc-ease-out: cubic-bezier(0.23, 1, 0.32, 1);

  --oc-control-min-height: 2.75rem;

  --oc-content-max: 75rem;
  --oc-content-narrow: 48rem;
}
:root,
html[data-theme="dark"] {
  color-scheme: dark;

  --oc-bg-page: var(--oc-palette-ink-950);
  --oc-bg-surface: var(--oc-palette-ink-900);
  --oc-bg-elevated: var(--oc-palette-ink-850);
  --oc-bg-recessed: color-mix(in oklch, var(--oc-bg-page) 86%, oklch(0 0 0));
  --oc-bg-contrast: var(--oc-text-primary);

  --oc-accent-primary: var(--oc-palette-coral-dark-bright);
  --oc-accent-primary-hover: var(--oc-palette-coral-dark-mid);
  --oc-accent-primary-deep: var(--oc-palette-coral-dark-deep);
  --oc-accent-secondary: var(--oc-palette-sea-dark-bright);
  --oc-accent-secondary-deep: var(--oc-palette-sea-dark-mid);

  --oc-text-primary: var(--oc-palette-ink-50);
  --oc-text-secondary: var(--oc-palette-ink-300);
  --oc-text-muted: var(--oc-palette-ink-500);
  --oc-text-inactive: color-mix(in oklch, var(--oc-text-muted) 62%, transparent);
  --oc-text-inverse: var(--oc-bg-page);
  --oc-text-link: var(--oc-accent-primary);
  --oc-text-on-accent: var(--oc-palette-ink-950);

  --oc-border-subtle: rgb(154 154 162 / 0.18);
  --oc-border-strong: color-mix(in oklch, var(--oc-text-primary) 32%, transparent);
  --oc-border-accent: rgb(245 101 74 / 0.4);

  --oc-surface-card: rgb(25 25 28 / 0.72);
  --oc-surface-card-strong: rgb(25 25 28 / 0.9);
  --oc-surface-overlay: rgb(0 0 0 / 0.3);
  --oc-surface-modal-backdrop: rgb(0 0 0 / 0.6);
  --oc-surface-interactive: rgb(237 237 237 / 0.08);
  --oc-surface-interactive-hover: rgb(237 237 237 / 0.16);
  --oc-control-bg: var(--oc-surface-interactive);
  --oc-control-bg-hover: var(--oc-surface-interactive-hover);
  --oc-surface-accent-soft: rgb(245 101 74 / 0.14);
  --oc-surface-secondary-soft: rgb(79 200 174 / 0.14);
  --oc-chart-line: rgb(237 237 237 / 0.09);
  --oc-selection-bg: rgb(245 101 74 / 0.28);
  --oc-focus-ring: rgb(79 200 174 / 0.72);

  /* Compatibility aliases retained for zero-diff openclaw.ai extraction. */
  --bg-deep: var(--oc-bg-page);
  --bg-surface: var(--oc-bg-surface);
  --bg-elevated: var(--oc-bg-elevated);
  --coral-bright: var(--oc-accent-primary);
  --coral-mid: var(--oc-accent-primary-hover);
  --coral-dark: var(--oc-accent-primary-deep);
  --cyan-bright: var(--oc-accent-secondary);
  --cyan-mid: var(--oc-accent-secondary-deep);
  --cyan-glow: rgb(79 200 174 / 0.35);
  --text-primary: var(--oc-text-primary);
  --text-secondary: var(--oc-text-secondary);
  --text-muted: var(--oc-text-muted);
  --on-accent: var(--oc-text-on-accent);
  --border-subtle: var(--oc-border-subtle);
  --border-accent: var(--oc-border-accent);
  --surface-card: var(--oc-surface-card);
  --surface-card-strong: var(--oc-surface-card-strong);
  --surface-overlay: var(--oc-surface-overlay);
  --surface-interactive: var(--oc-surface-interactive);
  --surface-interactive-hover: var(--oc-surface-interactive-hover);
  --surface-coral-soft: var(--oc-surface-accent-soft);
  --surface-cyan-soft: var(--oc-surface-secondary-soft);
  --surface-inset-highlight: rgb(237 237 237 / 0.05);
  --chart-line: var(--oc-chart-line);
}

html[data-theme="light"] {
  color-scheme: light;

  --oc-bg-page: var(--oc-palette-paper-100);
  --oc-bg-surface: var(--oc-palette-paper-200);
  --oc-bg-elevated: var(--oc-palette-paper-50);
  --oc-bg-recessed: color-mix(
    in oklch,
    var(--oc-bg-page) 94%,
    var(--oc-text-primary)
  );
  --oc-bg-contrast: var(--oc-text-primary);

  --oc-accent-primary: var(--oc-palette-coral-light-bright);
  --oc-accent-primary-hover: var(--oc-palette-coral-light-mid);
  --oc-accent-primary-deep: var(--oc-palette-coral-light-deep);
  --oc-accent-secondary: var(--oc-palette-sea-light-bright);
  --oc-accent-secondary-deep: var(--oc-palette-sea-light-mid);

  --oc-text-primary: var(--oc-palette-paper-950);
  --oc-text-secondary: var(--oc-palette-paper-700);
  --oc-text-muted: var(--oc-palette-paper-600);
  --oc-text-inactive: color-mix(in oklch, var(--oc-text-muted) 62%, transparent);
  --oc-text-inverse: var(--oc-bg-page);
  --oc-text-link: var(--oc-accent-primary);
  --oc-text-on-accent: var(--oc-palette-paper-50);

  --oc-border-subtle: rgb(23 23 26 / 0.14);
  --oc-border-strong: color-mix(in oklch, var(--oc-text-primary) 28%, transparent);
  --oc-border-accent: rgb(216 74 49 / 0.42);

  --oc-surface-card: rgb(255 255 255 / 0.8);
  --oc-surface-card-strong: rgb(255 255 255 / 0.95);
  --oc-surface-overlay: rgb(23 23 26 / 0.08);
  --oc-surface-modal-backdrop: rgb(23 23 26 / 0.6);
  --oc-surface-interactive: rgb(23 23 26 / 0.07);
  --oc-surface-interactive-hover: rgb(23 23 26 / 0.14);
  --oc-control-bg: var(--oc-surface-interactive);
  --oc-control-bg-hover: var(--oc-surface-interactive-hover);
  --oc-surface-accent-soft: rgb(216 74 49 / 0.12);
  --oc-surface-secondary-soft: rgb(20 128 110 / 0.13);
  --oc-chart-line: rgb(23 23 26 / 0.12);
  --oc-selection-bg: rgb(216 74 49 / 0.2);
  --oc-focus-ring: rgb(20 128 110 / 0.58);

  --cyan-glow: rgb(20 128 110 / 0.24);
  --surface-inset-highlight: rgb(23 23 26 / 0.05);
}

/* Neutral application palette used by the reference site. Keep this additive
   to the stable theme contract: the stronger root selectors let consumers
   import themes/product.css afterward without copying these role overrides. */
html:root,
html:root[data-theme="dark"] {
  --oc-bg-page: oklch(0.135 0 0);
  --oc-bg-surface: oklch(0.178 0 0);
  --oc-bg-elevated: oklch(0.205 0 0);
  --oc-text-primary: oklch(0.985 0 0);
  --oc-text-secondary: oklch(0.87 0 0);
  --oc-text-muted: oklch(0.716 0 0);
  --oc-text-on-accent: oklch(0.135 0 0);
  --oc-border-subtle: oklch(0.269 0 0);
  --oc-surface-card: oklch(0.178 0 0 / 0.82);
  --oc-surface-card-strong: oklch(0.205 0 0 / 0.96);
  --oc-surface-overlay: oklch(0 0 0 / 0.3);
  --oc-surface-interactive: oklch(0.178 0 0);
  --oc-surface-interactive-hover: oklch(0.239 0 0);
  --oc-control-bg: var(--oc-surface-interactive);
  --oc-control-bg-hover: var(--oc-surface-interactive-hover);
  --oc-chart-line: oklch(1 0 0 / 0.1);
  --oc-focus-ring: oklch(0.935 0 0 / 0.72);
  --oc-input-bg: oklch(0.205 0 0);
  --oc-input-focus-border: color-mix(in srgb, var(--oc-text-primary) 62%, transparent);
  --oc-input-focus-ring: color-mix(in srgb, var(--oc-text-primary) 22%, transparent);
}

html:root[data-theme="light"] {
  /* The source coral stays available as palette data, while interactive and
     brand roles resolve to AA-safe mixtures on every documented light surface. */
  --oc-accent-primary: color-mix(
    in srgb,
    var(--oc-palette-coral-light-mid) 60%,
    var(--oc-palette-coral-light-deep) 40%
  );
  --oc-accent-primary-hover: color-mix(
    in srgb,
    var(--oc-palette-coral-light-mid) 30%,
    var(--oc-palette-coral-light-deep) 70%
  );
  --oc-accent-primary-deep: var(--oc-palette-coral-light-deep);
  --oc-bg-page: oklch(0.985 0 0);
  --oc-bg-surface: oklch(0.97 0 0);
  --oc-bg-elevated: oklch(1 0 0);
  --oc-text-primary: oklch(0.205 0 0);
  --oc-text-secondary: oklch(0.269 0 0);
  --oc-text-muted: oklch(0.555 0 0);
  --oc-text-on-accent: oklch(1 0 0);
  --oc-border-subtle: oklch(0.922 0 0);
  --oc-surface-card: oklch(1 0 0);
  --oc-surface-card-strong: oklch(1 0 0);
  --oc-surface-overlay: oklch(0.205 0 0 / 0.08);
  --oc-surface-interactive: oklch(0.97 0 0);
  --oc-surface-interactive-hover: oklch(0.922 0 0);
  --oc-control-bg: var(--oc-bg-elevated);
  --oc-control-bg-hover: var(--oc-surface-interactive-hover);
  --oc-chart-line: oklch(0.205 0 0 / 0.12);
  --oc-focus-ring: oklch(0.15 0 0 / 0.7);
  --oc-input-bg: oklch(1 0 0);
  --oc-input-focus-border: color-mix(in srgb, var(--oc-text-primary) 62%, transparent);
  --oc-input-focus-ring: color-mix(in srgb, var(--oc-text-primary) 22%, transparent);
}
:root {
  /*
   * Font binaries are intentionally not distributed. Consumers must load
   * licensed fonts themselves or use the documented fallback stacks.
   */
  --oc-font-display: "Switzer", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --oc-font-body: "Switzer", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --oc-font-serif: "Sentient", Georgia, "Times New Roman", serif;
  --oc-font-mono: ui-monospace, "SFMono-Regular", "SF Mono", Menlo, Consolas, monospace;

  --font-display: var(--oc-font-display);
  --font-body: var(--oc-font-body);
  --font-serif: var(--oc-font-serif);
  --font-mono: var(--oc-font-mono);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  background: var(--oc-bg-page);
  color: var(--oc-text-primary);
  font-family: var(--oc-font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  text-wrap: balance;
}

::selection {
  background: var(--oc-selection-bg);
  color: var(--oc-text-primary);
}

:focus-visible {
  outline: 2px solid var(--oc-focus-ring);
  outline-offset: 3px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/*
 * Framework-neutral stable component primitives for OpenClaw surfaces.
 * This file preserves the v0.0.1 runtime contract.
 */

.oc-app-surface {
  --oc-component-surface: var(--oc-surface-card);
  --oc-component-surface-strong: var(--oc-surface-card-strong);
  --oc-component-surface-hover: var(--oc-surface-interactive);
  --oc-component-border: var(--oc-border-subtle);
  --oc-component-border-hover: color-mix(
    in srgb,
    var(--oc-text-primary) 28%,
    var(--oc-border-subtle)
    );
  --oc-component-shadow: var(--oc-shadow-sm);
  --oc-component-shadow-hover: var(--oc-shadow-md);

  min-width: 0;
  min-height: 100%;
  background: var(--oc-bg-page);
  color: var(--oc-text-primary);
  font-family: var(--oc-font-body);
}

.oc-hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--oc-space-3);
  text-align: center;
}

.oc-hero-title {
  max-width: 66rem;
  margin: 0;
  color: var(--oc-accent-primary);
  font-family: var(--oc-font-mono);
  font-size: clamp(2.25rem, 4.25vw, 3.5rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: 0;
  overflow-wrap: anywhere;
  text-wrap: balance;
}

.oc-hero-lede {
  max-width: 42rem;
  margin: 0;
  color: var(--oc-text-secondary);
  font-size: var(--oc-font-size-lg);
  line-height: 1.6;
  overflow-wrap: anywhere;
  text-wrap: pretty;
}

.oc-section {
  width: 100%;
  color: var(--oc-text-primary);
}

.oc-section-header {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: var(--oc-space-5);
}

.oc-section-header > * {
  min-width: 0;
}

.oc-section-heading {
  display: grid;
  gap: var(--oc-space-2);
}

.oc-eyebrow {
  margin: 0;
  color: var(--oc-accent-primary);
  font-family: var(--oc-font-mono);
  font-size: var(--oc-font-size-xs);
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: 0;
  text-transform: uppercase;
}

.oc-section-title {
  margin: 0;
  color: var(--oc-text-primary);
  font-family: var(--oc-font-display);
  font-size: clamp(1.5rem, 2.2vw, 2rem);
  font-weight: 750;
  line-height: 1.12;
  letter-spacing: 0;
  text-wrap: balance;
}

.oc-section-copy {
  max-width: 60ch;
  margin: 0;
  color: var(--oc-text-secondary);
  font-size: var(--oc-font-size-base);
  line-height: 1.65;
  overflow-wrap: anywhere;
  text-wrap: pretty;
}

.oc-card {
  border: 1px solid var(--oc-component-border);
  border-radius: var(--oc-radius-surface);
  background: var(--oc-component-surface);
  color: var(--oc-text-primary);
  box-shadow: var(--oc-component-shadow);
}

.oc-card-interactive {
  transition:
    background var(--oc-duration-ui) var(--oc-ease-out),
    border-color var(--oc-duration-ui) var(--oc-ease-out),
    box-shadow var(--oc-duration-ui) var(--oc-ease-out),
    transform var(--oc-duration-ui) var(--oc-ease-out);
}

.oc-card-interactive:hover,
.oc-card-interactive:focus-visible {
  border-color: var(--oc-component-border-hover);
  background: var(--oc-component-surface-hover);
  box-shadow: var(--oc-component-shadow-hover);
  transform: translateY(-1px);
}

.oc-card-interactive:focus-visible {
  outline: 2px solid var(--oc-focus-ring);
  outline-offset: 3px;
}

.oc-card-interactive:active {
  transform: translateY(0) scale(0.995);
}

.oc-action {
  display: inline-flex;
  min-height: 2.5rem;
  align-items: center;
  justify-content: center;
  gap: var(--oc-space-2);
  padding: var(--oc-space-2) var(--oc-space-4);
  border: 1px solid transparent;
  border-radius: var(--oc-radius-control);
  font: inherit;
  font-size: var(--oc-font-size-base);
  font-weight: 700;
  line-height: 1.2;
  text-decoration: none;
  touch-action: manipulation;
  cursor: pointer;
  transition:
    background var(--oc-duration-fast) var(--oc-ease-out),
    border-color var(--oc-duration-fast) var(--oc-ease-out),
    color var(--oc-duration-fast) var(--oc-ease-out),
    transform var(--oc-duration-fast) var(--oc-ease-out);
}

.oc-action:hover {
  text-decoration: none;
}

.oc-action:focus-visible {
  outline: 2px solid var(--oc-focus-ring);
  outline-offset: 3px;
}

.oc-action:active:not(:disabled):not([aria-disabled="true"]) {
  transform: scale(0.98);
}

.oc-action:disabled,
.oc-action[aria-disabled="true"] {
  cursor: not-allowed;
  opacity: 0.5;
}

.oc-action[aria-disabled="true"] {
  pointer-events: none;
}

.oc-action-primary {
  border-color: var(--oc-accent-primary);
  background: var(--oc-accent-primary);
  color: var(--oc-text-on-accent);
}

.oc-action-primary:hover {
  border-color: var(--oc-accent-primary-hover);
  background: var(--oc-accent-primary-hover);
  color: var(--oc-text-on-accent);
}

.oc-action-primary:active:not(:disabled):not([aria-disabled="true"]) {
  border-color: var(--oc-accent-primary-deep);
  background: var(--oc-accent-primary-deep);
}

.oc-action-secondary {
  border-color: var(--oc-border-accent);
  background: var(--oc-surface-accent-soft);
  color: var(--oc-accent-primary);
}

.oc-action-secondary:hover {
  border-color: var(--oc-accent-primary);
  background: color-mix(in srgb, var(--oc-surface-accent-soft) 72%, var(--oc-accent-primary));
  color: var(--oc-text-primary);
}

html[data-theme="light"] .oc-action-secondary,
html[data-theme-resolved="light"] .oc-action-secondary {
  border-color: var(--oc-border-strong);
  background: var(--oc-bg-elevated);
  color: var(--oc-text-primary);
}

html[data-theme="light"] .oc-action-secondary:hover,
html[data-theme-resolved="light"] .oc-action-secondary:hover {
  border-color: var(--oc-border-strong);
  background: var(--oc-surface-interactive-hover);
  color: var(--oc-text-primary);
}

.oc-action-ghost {
  border-color: transparent;
  background: transparent;
  color: var(--oc-text-secondary);
}

.oc-action-ghost:hover {
  background: var(--oc-surface-interactive);
  color: var(--oc-text-primary);
}

.oc-action-icon {
  width: 2.5rem;
  padding: 0;
}

.oc-segmented {
  display: inline-flex;
  max-width: 100%;
  align-items: center;
  gap: var(--oc-space-1);
  overflow-x: auto;
  padding: var(--oc-space-1);
  border: 1px solid var(--oc-border-subtle);
  border-radius: var(--oc-radius-control);
  background: var(--oc-surface-card);
}

.oc-segmented-item {
  display: inline-flex;
  min-height: 2rem;
  align-items: center;
  justify-content: center;
  gap: var(--oc-space-2);
  padding: var(--oc-space-1) var(--oc-space-3);
  border: 0;
  border-radius: var(--oc-radius-inset);
  background: transparent;
  color: var(--oc-text-secondary);
  font: inherit;
  font-size: var(--oc-font-size-base);
  font-weight: 650;
  line-height: 1;
  white-space: nowrap;
  touch-action: manipulation;
  cursor: pointer;
  transition:
    background var(--oc-duration-fast) var(--oc-ease-out),
    color var(--oc-duration-fast) var(--oc-ease-out),
    transform var(--oc-duration-fast) var(--oc-ease-out);
}

.oc-segmented-item:active:not(:disabled) {
  transform: scale(0.98);
}

.oc-segmented-item:disabled {
  cursor: not-allowed;
  opacity: 0.5;
}

.oc-segmented-item:hover {
  color: var(--oc-text-primary);
}

.oc-segmented-item[aria-selected="true"],
.oc-segmented-item[aria-pressed="true"],
.oc-segmented-item.is-active {
  background: var(--oc-surface-interactive-hover);
  color: var(--oc-text-primary);
}

.oc-segmented-item:focus-visible {
  outline: 2px solid var(--oc-focus-ring);
  outline-offset: 2px;
}

.oc-pill {
  display: inline-flex;
  max-width: 100%;
  min-width: 0;
  min-height: 1.75rem;
  align-items: center;
  gap: var(--oc-space-2);
  padding: var(--oc-space-1) var(--oc-space-3);
  border: 1px solid var(--oc-border-subtle);
  border-radius: var(--oc-radius-control);
  background: var(--oc-surface-card);
  color: var(--oc-text-secondary);
  font-size: var(--oc-font-size-xs);
  font-weight: 650;
  line-height: 1;
  overflow-wrap: anywhere;
}

@media (prefers-reduced-motion: reduce) {
  .oc-card-interactive {
    transition: none;
  }

  .oc-card-interactive:hover,
  .oc-card-interactive:focus-visible,
  .oc-card-interactive:active {
    transform: none;
  }
}

@media (max-width: 42rem) {
  .oc-section-header {
    align-items: start;
    flex-direction: column;
  }

  .oc-hero-title {
    font-size: clamp(2rem, 11vw, 2.75rem);
  }
}